Forefoot laminated with shock absorbing open cell foam while the ankle area has a highly breathable lining for improved comfort.

Large front and rear asymmetrical accordion zones are optimized to maximize flexibility for superior comfort and safety.

Durable sole is designed for improved riding feel and features evenly textured rubber for consistent grip.

The S‐MX PLUS boot is CE certified.

Alpinestars SMX Plus: Unique Multi Link Control System

Alpinestars unique Multi Link Control System provides advanced support for the ankle, limiting hyper‐torsion, hyper‐extension and hyper‐ flexion as well as providing additional impact protection to the ankle and Achilles.

Alpinestars SMX Plus: Premium Protection

Contoured shin plate protector is injected with high modulus TPU for superior impact and abrasion resistance.

Wide, ventilated, heel counter extends to the ankle and is combined with a shock absorbing padded insert and self‐molding foam

ankle protectors.

Replaceable heel slider and external side heel slider are positioned to dissipate shock and promote sliding during an accident.